How to restore acer aspire one to factory settings without cd

Instructions
1
Consider what data you still need from your Acer Aspire One's hard drive. Save the files to an external USB device.

2
Restart the Acer Aspire One's operating system. Wait for the Acer logo to appear on the LCD screen.

3
Press the "Alt-F10" keys at the same time to bring up the recovery menu. Press "Enter."

4
Click "Next." Follow the prompts that appear on the screen to restore the operating system back to factory settings.

5
Use the drop-down boxes to select the time zone and language information for your Acer Aspire One. Restart the netbook when you are prompted to finish restoring the computer.

6
Connect the external USB device to your Acer Aspire One and transfer the data you saved earlier back to the netbook.